Tractor mounted harvester thresher



March 2, 1954 B. M. HYMAN TRACTOR MOUNTED HARVESTER THRESHER 2sheets-sneer 1 Filed Feb. 2, 1952 mw n um, a m, @www .m Tf

March 2, 1954 B, M, HYMAN 2,670,582

TRACTOR MOUNTED HARVESTER THRESHER Filed Feb. 2, 1952 2 Sheets-Sheet 2nvenfor, fgenl 'Lum-JL yman' J FJ, QMQQ- (-/L-p-v/OB a.,

relatively weighty and extensive cleaning members of the separator aredivided for disposition adjacent both sides of the elongated tractorchassis and engine. It should be understood that the farm tractor neednot be a tricycle type, but rather only that it have an elongated engineand chassis and the ground engaging traction means spaced laterally fromeach side thereof.

The combine or harvester-thresher designated by the numeral 22 isprovided with a scoopshovel type of platform 23 which extends forwardlyin the direction of travel of the tractor IG when it is carrying thecombine 22 of this invention. The scoop-shovel platform includeslaterally spaced crop divider members 25 and 25, a cutter bar 25extending across the full width of the platform between the dividerpoints 25 and 25, a grain feeding reel 21, and finally an upwardly andrearwardly extending slatted conveyor 28. The conveyor 2S as best shownin Fig. 4 is mounted on spaced end rollers 29 and 30 and the spacedslats are designated by the numeral 3|. The scroop-shovel platform 23 isfurther equipped with laterally spaced upwardly extending side sheets 32and 33. The canvas end rollers 23 and 33 are mounted in shafts 33 and 35respectively which are iournaled within the side sheets 32 and 33. Theshaft 35 further constitutes the hinge axis about which the scoopshovelplatform 23 may have vertical swinging movement.

The threshing and separating mechanism is identified generally by thenumeral 35. This portion of the harvester-thresher includes atransversely disposed front thresher part 31 and rearwardly extendingelongated separator parts 33 and 39. The front part 31 is coextensive inwidth with the harvesting scoop-shovel platform 23. This front partincludes spaced side sheet members 4D and 4l. The shaft 35 of theharvesting platform 23 extends outwardly beyond the harvester sidesheets 32 and 33 and is journaled within the spaced side sheets dll andil of the front part 31 of the threshing mechanism 3S. It will thus beapparent that the harvesting platform is hinged for vertical movementwith respect to the threshing mechanism. A beater 62 is carried on ashaft 43 which is journaled for rotation within the spaced side membersMi and 4l. The beater 52 has outwardly extending circumferentiallyspaced paddles 44 which terminate closely adjacent the upper edge of theconveyor 28 and are adapted to he rotated in the direction indicated bythe arrow i5 for the purpose of delivering grain and straw from theupper iiight of the conveyor 2S rearwardly into the area containing athreshing cylinder t5.

. The threshing cylinder 35 extends over the full width of the frontpart 31 of the threshing machine and thus is equal in width to thecutter bar 25 of the harvesting platform. The cylinder i6 is mounted ona shaft "41 which is journaled for rotation within the spaced sidemembers 40 and 4l. The cylinder includes rub bars or the like 43 aroundthe circumference thereof for effecting the removal of the grain fromthe straw and hull within which the grain is contained. The rub bars A8cooperate with a concave 49 iixedly mounted within the front thresherpart 31 and extending between the side members 40 and 4I. The concave 49is a gratelike member which cooperates with the rub bars 48 of thecylinder to effect the threshing of the grain. The grain that isthreshed drops down through the concave 49 onto a hopper 50 of thethresher part 31. An auger conveyor 5I is transversely disposed within atrough-like bottom 52 of the hopper 50 and is adapted to convey thegrain fed thereto laterally to one side as best shown in Fig. 3 wherethe grain is delivered to the upwardly and rearwardly extending elevator53.

The elevator 53 includes a chain-type conveyor 54 having intermittentlyspaced lugs 55. The chain conveyor 54 is carried on end sprockets 56 and51 journaled within the elevator housing 53. The conveyor is adapted totravel in the direction indicated by the arrow 58 so that the lugs orpaddles 55 contact the lower surface 59 of the elevator to thus conveythe grain and any trash therewith upwardly and rearwardly to dischargeinto a hopper or the like 50. An auger or screw conveyor 6I is journallycarried within the hopper 50 and is disposed over the part 38 of thethreshing and separating mechanism 36. The disposition of the auger 6Iis best shown in Fig. 1 and it will be apparent that the grain by reasonof the auger will be distributed over the full Width of the elongatedcleaning and separating part 38.

The part 38 is disposed, as previously stated, on one side of thetractor chassis and engine and includes a grain shaking pan 52. Thegrain shaking pan 62 is reciprocated back and forth by means, not shown,for further effecting vthe separation of trash from grain. A fan 63 isequipped with a bladed rotor 64 and a discharge spout 65 projectingforwardly and slightly upwardly beneath the grain pan 62. The fan isarranged to deliver a blast of air upwardly and through the grain pan 52with a sufficient degree of force to remove any light trash materialoutwardly oi the top of the separator top 38 and permit the heaviergrain to fall downwardly into the bottom of the part 38. An augerconveyor 65 is longitudinally disposed within the bottom of the part 38and carries the cleaned grain rearwardly of the part 38. A wagonelevator 61 is hingedly mounted about the shaft 68 of the auger 66 andis arranged and constructed to receive cleaned grain from the auger 65to deliver it upwardly to a discharge spout 69 of the elevator 61. Thecleaned grain may then be discharged into a receptacle or trailing wagonor the like, none of which has been shown.

The part 39 of the separator lies parallel to the part 33 on the otherside of the tractor chassis and engine and is adapted to receive thestraw, trash material and any grain that might not be removed by thecoopera-tion of the threshing cylinder 35 with the concave 39. The parts38 and 33 are uniformly balanced on the tractor in a substantiallysymmetrical manner both as to weight and spacing. All the straw andtrash material is delivered upwardly and rearwardly from the cylinder 45into the scope of a transversely disposed conveyor mechanism 10. Theconveyor 1i! includes a transversely positioned shaft 1| journaled forrotation within the side members 45 and I of the front part 31 of thethresher. Auger screw means 12 is provided on the shaft 1I over asubstantial portion ofthe length of the shaft 1| and is adaptedtodeliver the straw and other material laterally toward the side of thetractor having the separator part 33. Similarly an opposing auger screwflight 13 is provided on the other end of the shaft 1| and opposes theflight 12 so that it also feeds material but over a shorter length to aposition directly in front of the separator part 39. A plurality of 8'?radial' flngerszid are carried by theshaft 'lit atthe position forwardlyof the part 39. The finger-srt* are arranged and' constructed todeliverfstraw and: all otherl material from the. screw: conveyors 'l2andr 'I3 rearwardlyf in a longitudinal direction into the separatorpart3Q. This is best shown in Fig; 4wherein a plurality of straw racks 15within the part` 39: are adapted to receive the incoming material;Rietarding curtains: 16. andl 'l1'. are hung within the partl 331 abovethe straw racks 'lan'd in the path of the incoming straw material'. Theretarding curtains insurev that the strawmateriali will. not bepropelled' entirelyl throughs theV sepaa rater 39withoutbeing treated bythe separatingl means therein. The curtains cause thestraw.h to falldownwardly onto the strawf racksA whereupon any grain remaining in thestraw isjarredlooseL from thestraw andhusks and? drops therethrough ontoa. grain. pan Il-8f which, is inclined'upwardly andi rearwardly and?adapted topermit the grain to fall by gravity forwardly and downwardlyfor discharge into the screwV conveyor ELI which as previously describedcarries the-grain to. the graincleaning part 38 fordelivery to areceptacle.. such as a trailing wagon- The straw and othery trashmateriali with the grain removed: are. discharged at the rearward end.of.' the part .'ildownwardl'y out a. discharge 19'.`

In order that the tractor may loeV driven in a direction opposite to thenormal forward. travel, ay steering wheel 8B is. mounted on. a post 8.-!which. in turn` is carried. by andi over the. front part 37. ofthethresher 3&- The steering Wheel' 8d. is arranged and constructed.` torotate. the steer* able wheels. i3 and 114i inthe samemanner as thesteering wheel 2 i... An operatorsiseat. 82 is positioned'. on. top. of'the part 38.' directly behind. the f steering wheel: 80. It is apparentthat` in this position the operator has: complete visibility.` of thecrops he is harvestingand also has knowledge as. to whether or not themachine is. :functioning` properly. The engine controls are sgnied. bythenumeral83. in close proximity to the steering wheel. post` 8l. AYpower takeoff shaft 84 extends rearwardly from the. chassis l-Iofjthetractorand. supplies rotational? drive4 for thevarious.:elements:` of the harvesterethresher. The detailed drive meansfrom the power takeoff shaft 84 to the various elements has notvbeenshown as' it is not believed to bea part'zo the present` invention.

In operation, an operator in position on the seat. 82'. drives. thetractor I'U.' in the direction of the large traction wheelsv I and t6.The machine with the harvester-thresher 22 mounted thereon is propelledthrough a. field of standing, grain. The reel' 2T feedsV the upperend'sof the standing grain stalks rearwardly whereafter the butt ends ofthe stalks are cut by the cutter bar 26. The grain and straw thus cutare moved upwardly and rearwardly by reason of the cross slats 3| on theconveyor 28. The grain dividers 24 and 25 in addition to insuringseparation of the grain act also as ground runners for the hingedscoop-shovel harvesting platform 23. As the grain and straw reach theupper end of the conveyor 3|, they are removed by the paddle feed wheel42 and delivered to the threshing cylinder 46. At this point the grainis removed from the straw and hull within which it is positioned. Thethreshing cylinder as previously stated extends across the full width ofthe machine so that the grain will be more uniformly threshed as itpasses therethrough. It is, of course, to be understood that thethreshing cylinder 46, in cooperation with its concave 49, is notcapable of effecting a complete' removal of and/or a. complete;cleaning; of the grain with this single pass of the material;

The threshed grain drops through the concave 49 into the screw conveyor5I where itis fed. lat--r erally. tothe elevator 531 for depositacrossthe top of the grain cleaning chamber 38. Theauger Eff spreads the grainand any trashfmaterialuniformly over the width of the grain` pan 622 Theheavy grain falls through the: pan intox the rearwardly running augerconveyor 66. during which time the cleaning fan E3 causes the dischargeof the trash and dirtup and! out from thefgrai'n pan E21 The cleangrainl is thereafter carried' up wardly and laterally by. the eievatory6.1? to: the discharge spout $9.

The; straw and' anyv grain that has:r` not been;

threshed are delivered upwardly and rearwardly' from the threshingcylinder 4B. into the opposingangers: t2 and. 1.31 whereuponthefmat'erial is-v moved? tol a yposition centrally'infront of thestrawcleaning chamber 391. The plurality of radial fingere 'Mor any othersuitablemeans on the auger/shaft. 'l l cause the (ir-:liveryl of thematerial fed laterallyl by the. opposing. augers- 'l2 and 1.3 intothestrawseparator 39. The strawy is then propelled' against. the'lret'arding. curtains. 1E and T1: whereupon. it dropszonto thestraw'cleaningracks 15 which haveA a reciprocatory motion by means, notYshownyfor' shakingl loose any grain thatimight: stilll be with thestraw'.v The straw' continuesV its.` rearwardmovement over the strawcleaning racks 'la to; al

discharge at le: and any grain or the. likerfa'lls.

through the strawv racksv ontoV the inclined grain. pan 18 whichdelivers the grainA forwardly and' downwardly' into. theauger 5l whereit4 joinsr the grain which is. initially delivered thereto directlythrough' the concave L91 It is" believed that hereinA is provided anovel tractor-mounted harvester-thresher in whichv the;

several units thereof are uniformly balanced around the entiretractorfor better weight distributionand: also in a manner utilizingthespace: onA a relatively standard! farm tractor moreecoa noini'callyand thus eliminating the" overloading and crowding of the tractorcarrying the relativelyt large harvester-thresher.

Numerous detailszof'constructionmay belvaried: throughout a: wide range.without departing from theJ principles disclosed' herein and I;therefore do not propose limiting the patent grantedhereon.

otherwise than.'A as` necessitated bythe appended claims.

What is claimed is:-

I. A2 traotorrnounted harvesterethresher conr-A pri'singa threshingpartmounted on and: extend-l ing acrossonelend! of a tractor, ascoop-type har'- vester platform hinged to said thresher part andextending in a direction away from said tractor, means for elevatinggrain to be threshed on said scoop platform, a threshing cylinderjournally mounted transversely in said thresher part, said threshingcylinder being substantially equal in width to said scoop type harvesterplatform, a concave mounted in said thresher part for cooperation withsaid threshing cylinder, and separator means carried on said tractor.

2. A device as set forth in claim 1 in which the tractor includes anelongated centrally disposed chassis and engine, and wherein theseparator means has a rst portion thereof lying parallel to and adjacentthe elongated chassis and engine of the tractor.

3. A device as set forth in claim 2 in which a second portion of saidseparator means lies parallel to and adjacent the other side of theelongated chassis and engine and wherein the spaced rst and secondportions of the separator means are symmetrically carried on the tractorboth as to weight and size.

4. A device as set forth in claim 3 in which the first portion of theseparator means is essentially for threshed grain and the second portionof the separator means is essentially for straw, and means for generallyseparating the threshed grain and straw after action by the full widththreshing cylinder for delivery of the threshed grain to the firstportion of the separator means and for delivery of the threshed straw tothe second portion of the separator means.

5. A device as set forth in claim 4 in which the means for generallyseparating the threshed grain and straw includes an auger screw conveyorsubstantially beneath the threshing cylinder for delivery of thethreshed grain laterally to one side of said tractor to the rst portionof the separator means, and auger conveyor means substantially above andto the rear of said threshing cylinder for delivery of the threshedstraw laterally to the other side of said tractor to the second portionof the separator means.

6. A device as set forth in claim 5 in which the auger conveyor meansabove and to the rear of the threshing cylinder includes a straightthrough shaft, opposing angers on said shaft on each side of said secondportion of the separator means, and means on said shaft directlyadjacent said straw separator means for eecting transfer of materialfrom the opposing angers to said second portion of theseparator means.

7. A device as set forth in claim 5 in which an elevator is providedadjacent the end of the auger screw conveyor for delivery of thethreshed grain to the top of the rst portion of the separator means.

8. A device as set forth in claim 7 in which auger means is providedacross the top of the rst prtion of the separator means adjacent thedischarge of the elevator whereby the auger means spreads the threshedgrain across the full widthv thereof.

9. A device as set forth in claim 8 in which fan means is provided insaid iirst portion of the separator means for cleaning the threshedgrain.

10. A device as set forth in claim 9 in which conveyor means is disposedin the bottom of said first portion of the separator means for conveyingthe grain to one end thereof.

11. A device as set forth in claim 6 in which the second portion of theseparator means includes straw cleaners, a grain saving means, and saidgrain saving means communicating with said vesting unit mounted on andprojecting forwardlyV from said threshing unit, said harvesting unitbeing substantially equal in width to the threshing unit and positionedacross the front thereof.

13. A device as set forth in claim 12 in which a separator unit islocated adjacent one side of said tractor chassis.

14. A device as set forth in claim 13 in which tractor control means arepositioned atop the 'threshing unit and an operators seat is positionedatop the separator unit.

15. A device as set forth in claim 13 in which a second separator unitis located adjacent the other side of said tractor chassis.

16. A device as set forth in claim 14 in which a second separator unitis located adjacent the other side of said tractor chassis.

17. A grain thresher and separator device for mounting on a tractorhaving a longitudinally extending central chassis, a threshing unitmounted on and across one end of said tractor and a separating unitmounted on said tractor and parallel to and adjacent one side of thelongitudinally extending central chassis.

18. A device as set forth in claim 17 in which a second separating unitis mounted on said tractor and parallel to and adjacent the other sideof the longitudinally extending central chassis.

19. A device as set forth in claim 1'7 in which a harvesting unit ishingedly mounted on the threshing unit and extends in a direction awayfrom the tractor.

20. A device as set forth in claim 19 in Vwhich means is provided onsaid threshing unit for removing harvested grain from said harvestingunit and delivering it to said threshing unit,

BENJAMIN M. HYMAN.

References Cited in the le of this patent UNITED STATES PATENTS NumberName Date 1,509,403 Howard et al Sept. 23, 1924 1,837,906 Herl Dec. 22,1931 2,109,436 Schowengerdt Feb. 22, 1938 2,354,346 MacGregor July 25,1944

